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Make bluetooth repository to emit initial bluetooth enabled state if … #243

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Make bluetooth repository to emit initial bluetooth enabled state if … #243

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3 changes: 2 additions & 1 deletion app/src/main/java/at/roteskreuz/stopcorona/di/RepositoryModule.kt
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
package at.roteskreuz.stopcorona.di

import android.bluetooth.BluetoothAdapter
import at.roteskreuz.stopcorona.model.managers.BluetoothManager
import at.roteskreuz.stopcorona.model.managers.ExposureNotificationManager
import at.roteskreuz.stopcorona.model.managers.ExposureNotificationManagerImpl
import at.roteskreuz.stopcorona.model.repositories.*
Expand Down Expand Up @@ -78,7 +79,7 @@ val repositoryModule = module {
}

single<BluetoothRepository> {
BluetoothRepositoryImpl(BluetoothAdapter.getDefaultAdapter())
BluetoothRepositoryImpl(BluetoothAdapter.getDefaultAdapter(), get<BluetoothManager>())
}

single<ExposureNotificationRepository> {
Expand Down
12 changes: 12 additions & 0 deletions app/src/main/java/at/roteskreuz/stopcorona/model/managers/BluetoothManager.kt
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Original file line number Diff line number Diff line change
@@ -1,7 +1,10 @@
package at.roteskreuz.stopcorona.model.managers

import at.roteskreuz.stopcorona.model.receivers.Registrable
import at.roteskreuz.stopcorona.model.repositories.BluetoothRepository
import at.roteskreuz.stopcorona.model.repositories.other.ContextInteractor
import io.reactivex.subjects.PublishSubject
import io.reactivex.subjects.Subject

/**
* Manager to start/stop listening for bluetooth enabled state.
Expand All @@ -17,6 +20,11 @@ interface BluetoothManager {
* Stop listening for bluetooth changes.
*/
fun stopListeningForChanges()

/**
* listening subject if bluetooth manager is starting to listen to bluetooth enabled changes
*/
val listeningSubject : Subject<Boolean>
}

class BluetoothManagerImpl(
Expand All @@ -26,13 +34,17 @@ class BluetoothManagerImpl(

override fun startListeningForChanges() {
bluetoothStateReceiver.register(contextInteractor.applicationContext)
listeningSubject.onNext(true)
}

override fun stopListeningForChanges() {
try {
bluetoothStateReceiver.unregister(contextInteractor.applicationContext)
listeningSubject.onNext(false)
} catch (e: Exception) {
// ignored, receiver is probably not registered yet
}
}

override val listeningSubject: Subject<Boolean> = PublishSubject.create()
}
16 changes: 15 additions & 1 deletion app/src/main/java/at/roteskreuz/stopcorona/model/repositories/BluetoothRepository.kt
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Original file line number Diff line number Diff line change
@@ -1,9 +1,11 @@
package at.roteskreuz.stopcorona.model.repositories

import android.annotation.SuppressLint
import android.bluetooth.BluetoothAdapter
import at.roteskreuz.stopcorona.model.managers.BluetoothManager
import at.roteskreuz.stopcorona.utils.NonNullableBehaviorSubject
import io.reactivex.Observable
import io.reactivex.schedulers.Schedulers

/**
* Wrapper for Bluetooth related functionality.
Expand Down Expand Up @@ -32,10 +34,22 @@ interface BluetoothRepository {
fun updateEnabledState(enabled: Boolean)
}

@SuppressLint("CheckResult")
class BluetoothRepositoryImpl(
private val bluetoothAdapter: BluetoothAdapter?
private val bluetoothAdapter: BluetoothAdapter?,
bluetoothManager: BluetoothManager
) : BluetoothRepository {

init {
bluetoothManager.listeningSubject
.subscribeOn(Schedulers.single())
.observeOn(Schedulers.single())
.filter { it }
.subscribe {
enabledStateSubject.onNext(bluetoothEnabled)
}
}

private val enabledStateSubject = NonNullableBehaviorSubject(
bluetoothAdapter?.isEnabled == true
)
Expand Down